Combine two array and order this new array by date

Question

. I have two array

First One

 Array
    (
        [0] => Array
            (
                [date] => 2012-01-10
                [result] => 65         


        

Answer 1

array_merge and usort is your friend.

function cmp($a, $b){
    $ad = strtotime($a['date']);
    $bd = strtotime($b['date']);
    return ($ad-$bd);
}
$arr = array_merge($array1, $array2);
usort($arr, 'cmp');